2009
DOI: 10.1002/rmv.641
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Defective interfering viruses and their potential as antiviral agents

Abstract: Defective interfering (DI) virus is simply defined as a spontaneously generated virus mutant from which a critical portion of the virus genome has been deleted. At least one essential gene of the virus is deleted, either in its entirety, or sufficiently to make it non-functional. The resulting DI genome is then defective for replication in the absence of the product(s) of the deleted gene(s), and its replication requires the presence of the complete functional virus genome to provide the missing functions. In … Show more

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Cited by 115 publications
(124 citation statements)
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“…Due to complementation, both genomes can be replicated by both replicases, with differential interactions probabilities between master and mutant genomes with the whole pool of replicases (parametrized with γ) synthesized from both genome classes. Then, we analyzed a different model considering a particular case of complementation in which DIPs (see the review [32]) replicate faster due to their shortened genomes. Moreover, we can also incorporate into this model differential binding affinities for the unique, wild-type replicase.…”
Section: Discussionmentioning
confidence: 99%
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“…Due to complementation, both genomes can be replicated by both replicases, with differential interactions probabilities between master and mutant genomes with the whole pool of replicases (parametrized with γ) synthesized from both genome classes. Then, we analyzed a different model considering a particular case of complementation in which DIPs (see the review [32]) replicate faster due to their shortened genomes. Moreover, we can also incorporate into this model differential binding affinities for the unique, wild-type replicase.…”
Section: Discussionmentioning
confidence: 99%
“…DIPs are mutant viruses that lack most of the viral genome and cannot complete the infectious cycle by themselves [30,31] (see also [32] for a review). However, they can be replicated and encapsidated by the proteins translated from a helper virus coinfecting the same cell.…”
Section: Introductionmentioning
confidence: 99%
“…Par exemple, les cellules infectées par le virus de l'hépatite B (VHB) sécrètent de larges quantités de particules non infectieuses, dont la protéine virale antigène de surface (HBsAg), mais sont dépourvues de capside et de génome viral [1]. Par ailleurs, des virus défec-tifs interférents, composés de génomes viraux tronqués, sont produits dans un large spectre d'infections comme la grippe et certaines infections par flavivirus [2,3]. Ces génomes tronqués, générés probablement à la suite d'erreurs de la polymérase virale ou par digestion nucléotidique partielle, sont aussi efficacement encapsidés et sécrétés que le génome viral entier [3].…”
Section: Diversité Des Particules Virales Produites Par Les Cellules unclassified
“…Par ailleurs, des virus défec-tifs interférents, composés de génomes viraux tronqués, sont produits dans un large spectre d'infections comme la grippe et certaines infections par flavivirus [2,3]. Ces génomes tronqués, générés probablement à la suite d'erreurs de la polymérase virale ou par digestion nucléotidique partielle, sont aussi efficacement encapsidés et sécrétés que le génome viral entier [3]. Les particules du virus de l'hépatite C (VHC) sont particulièrement hétérogènes en termes de taille, de densité, de composition et d'infectivité [4].…”
Section: Diversité Des Particules Virales Produites Par Les Cellules unclassified
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